Irrigation agriculture is a pillar industry in Heilongjiang Reclamation area. At the same time, large irrigation area is an important marketable grain base.
灌溉农业是黑龙江垦区的支柱产业，而大型灌区又是商品粮生产的重要基地。
In conclusion, there were some differences in the results of soil surface evaporation, when the leaf area index was large. A further study was needed under high-frequency irrigation.
分析认为，当叶面积指数较大时，棵间蒸发的现有研究结果尚存在较大的差别，而且高频灌溉条件下的土面蒸发有待于进一步研究。
The Yinbei area is large with rich land resources. The cultivated area there occupies one half of the Yellow River irrigation areas.
银北地区面积大，土地资源丰富，耕地占引黄灌区面积的二分之一。
The Yinbei area is large with rich land resources. The cultivated area there occupies one half of the Yellow River irrigation areas.
银北地区面积大，土地资源丰富，耕地占引黄灌区面积的二分之一。
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